Rapid Intensification Guidance AL182021 210930 00UTC Storm Located at : 20.30 58.00 Guidance run with Vmax [kt]: 120. Initial Conditions: Predictor Value Favorable(F)/Unfavorable(U) INTENSITY (VMAX) [kt] 120.00 U 12-H DELTA VMAX [kt] 5.00 N CORE SIZE [km] 7.00 F CONVECTION <-50C [%] 67.00 N CONVECTION <-60C [%] 48.00 N IR CORE SYMMETRY [K] 9.80 F TC SIZE [%] 88.00 F Forecast Conditions: Predictor Value Favorable(F)/Unfavor(U) 6 12 18 24 36 48 60 72 6 12 18 24 36 48 60 72 Wind Shear [kt] 18.7 17.8 16.6 19.9 14.8 16.5 24.6 20.0 N F F N F F N N Ocean Heat [kJ/cm^2] 67.0 50.0 44.0 46.0 22.0 19.0 5.0 2.0 N N N N U U U U Potential [kt] 39.6 42.0 44.3 45.0 45.0 28.6 9.4 6.0 U U U U U VU VU VU 200mb Divg [10^6/s] 49.0 24.0 50.0 65.0 77.0 109.0 85.0 115.0 N U N N N F F F Humidity 700-500 hPa 48.0 49.0 55.0 58.0 59.0 56.0 51.0 48.0 U U U U U U U U T Advectio [10^6 K/s] -3.0 -1.0 3.0 4.0 9.0 5.0 8.0 1.0 N N N N U N U N Probabilities[%] of Rapid intensification Thresholds LDA-Method LRE-Method CONSENSUS 20kt / 12h 12.8% 4.7% 8.8% 25kt / 24h 8.4% 8.2% 8.3% 30kt / 24h 7.6% 5.1% 6.3% 35kt / 24h 3.8% 4.7% 4.3% 40kt / 24h 0.0% 0.0% 0.0% 45kt / 36h 0.0% 0.0% 0.0% 55kt / 36h 0.0% 0.0% 0.0% 55kt / 48h 0.0% 0.0% 0.0% 70kt / 48h 0.0% 0.0% 0.0% 65kt / 72h 0.0% 0.0% 0.0%